<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="js/vue.js"></script>
</head>
<body>
    <div id="app">
        <input type="text" v-model="inputval">
        <button @click="todoAdd">添加</button>
        <ul>
            <li v-for="(item,index) in list">
                {{item}}-------
                <button @click="todoDel(index)">删除</button>
            </li>
        </ul>
    </div>
    <script>
        new Vue({
            el:"#app",
            data:{
                inputval:"",
                list:[],
            },
            methods:{
               todoAdd(){
                   if(this.inputval){
                    this.list.push(this.inputval.trim())
                   }
               },
               todoDel(index){
                 this.list.splice(index,1)
               }
            }
        })
    </script>
</body>
</html>